Strength training doesn’t have to be complicated. Fitness content on social media may leave you thinking that you should only work out at specific times, use certain weights and incorporate an ever-rotating assortment of moves — but to reap the full ...

Time under contraction is not directly measured in a typical weight training program. Most people really don't even think about the number of seconds a given muscle is forced to work. Indirectly, however, this variable is a key consideration in every program.